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Full Version: Spark can not be launched
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Equipment:
Win 10 Pro on i7 computer with Terratec DMX6Fire USB with optical out connect to Dialog. Pair of Phantom Gold speakers on white stands.

Originally set up and all working. I have not used the speakers for a few days busy on another project. When I came to run Spark I get

"Spark can not be launched"

Only one instance of Spark can be running on a computer.

Task manager shows no other instance running. There is no other user logged on. I rebooted from a cold start. 

I uninstalled. Cleared out registry entries I found left behind. Rebooted. Reinstalled and get the same message.

How do I reset the software to remove this problem?